Concrete Moisture Meters & RH Testing Equipment

Explore Jon-Don's comprehensive range of concrete moisture meters and relative humidity (RH) equipment designed to ensure precision in your projects. Evaluate concrete surfaces for moisture levels before epoxy coatings or measure gloss post-polishing with our state-of-the-art concrete testing equipment. Trust Jon-Don for accurate results and superior performance!

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Protimeter MMS3
Protimeter SKU# OE-BLD9800...
The Protimeter MMS3 is a complete moisture measurement system with wireless capability. It can be used with wood, drywall, building materials and concrete.
$1,434.00 $1,434.00 Add to cart to see price
In stock
FLIR MR60 Moisture Meter
Flir SKU# OE-MR60-EA
The FLIR MR60 is an exceptionally durable meter that offers both penetrating and non-penetrating moisture detection options for total flexibility on the job. Choose between 11 material group selections for pin-based readings. 
$462.82
Ships Direct From Manufacturer.
DOI Goniophotometer RIQ 20°/60° with Accessories
Provided by Jon-Don SKU# OE-GM14500-EA
The RIQ20-60 is the only handheld instrument that profiles how light is reflected from a surface. It quantifies surface quality problems that are invisible to a standards glossmeter, such as orange peeling, haze, and more.
SKU UnavailableNo Longer in Stock
Rapid RH® Easy Reader, Fahrenheit Version
Wagner SKU# OE-EASYREAD-EA
The removable Rapid RH Easy Reader makes it easy to take repeated readings from any Smart Sensor. Featuring patented Touch-n-Sense™ technology, the Easy Reader displays measurements as soon as it contacts the Smart Sensor.
SKU UnavailableNo Longer in Stock
Protimeter MMS2 Survey Kit with Soft Pouch (BLD8800‑S)
Rx Heat SKU# OE-BLD8800S-EA
The all new MMS2 represents the latest Protimeter technology in one intuitive, robust and fully functional design. If you’re surveying buildings, inspecting a home, drying a building after a flood, or testing concrete moisture for a flooring application, the MMS2 is the solution for you.
SKU UnavailableNo Longer in Stock
Wagner Rapid RH 4.0 Smart Sensor/Easy Reader Pack
Wagner SKU# OE-RHERPAK-EA
These Smart Sensors are factory calibrated to ensure the accuracy and fast equilibration of every sensor. This pack includes the Easy Reader as well as many "must-haves," such as protective caps, inserts, and a floor map.
SKU UnavailableNo Longer in Stock
Tramex CME4 Concrete Moisture Encounter
Tramex SKU# DA-CME4-EA
The Tramex CME4 Concrete Moisture Encounter Meter allows you to easily check the moisture content of concrete floors during the drying out period. This easy-to-use non-penetrating meter delivers instant readings from a depth of up to 5/8 of an inch.
SKU UnavailableNo Longer in Stock
Protimeter MMS2 Flooring Kit
Protimeter SKU# OE-BLD4755K-EA
The MMS2 Flooring Kit from Protimeter was developed to help concrete surface prep contractors and restoration professionals meet the ASTM F2170-11 standard for “in situ” humidity testing in concrete slabs. It includes all the necessary measuring accessories for taking accurate readings in slabs 4"–6" thick.
$923.52
Ships Direct From Manufacturer.
Protimeter Hygromaster2 Flooring Kit
Protimeter SKU# OE-BLD7750F-EA
The Hygromaster 2 is the latest in handheld hygrometry technology. This all-in-one instrument provides a complete range of floor moisture testing capabilities. It combines an intuitive interface with multiple Psychometric calculations and a non-contact surface IR temperature probe.
$1,569.00 $1,569.00 Add to cart to see price
Ships Direct From Manufacturer.
AMT Calcium Chloride Moisture Test Kit
AMT SKU# RA-VAMTK-EA
The AMT Calcium Chloride Moisture Test Kit is the simplest and most effective product to gauge the moisture level in both existing and future flooring locations. These test results will enable you to determine if remedial or preventative measures are required to avoid expensive repairs thereby insuring ultimate longevity of your flooring solutions
$20.15
In stock
Tramex CMEX II Concrete Moisture Meter (Digital)
Tramex SKU# DA-CMEXII-EA
The Tramex CMEX II is a digital version of the CME4 concrete moisture meter. It delivers instant and accurate measurements of moisture in concrete and other screed and flooring materials.
$724.54
In stock ready to ship!
Tramex Concrete Inspection Master Kit
Tramex SKU# DA-CMK51-EA
The Tramex Concrete Inspection Master Kit features the CMEX II concrete meter plus all the tools you need for instant, precise moisture measurement of concrete slabs. It measures up to 6.9% moisture content in concrete and even gives comparative readings in other cementitious floor screeds.
SKU UnavailableNo Longer in Stock
Tramex Concrete Inspection EZ Kit
Tramex SKU# DA-CZK51-EA
The Tramex Concrete Inspection Kit is the perfect choice for fast, accurate measurement of up to 6.9% moisture content in concrete slabs. This kit features the CMEX II concrete meter as well as three reusable Hygro-i® probes and 12 hole liners.
SKU UnavailableNo Longer in Stock
Delmhorst HT‑4000 Thermo‑Hygrometer Flooring Package
Delmhorst SKU# DA-HT4000F-EA
Combination meters are great and have their place, but sometimes you just need a dependable stand-alone thermo-hygrometer for fast, accurate measuring. The HT-4000F is a rugged thermo-hygrometer with a detachable sensor, making it ideal for testing a concrete slab according to the ASTM F2170 standard.
$775.00
Ships Direct From Manufacturer.
Tramex Hygro‑i® Hole Liners and Caps
Tramex SKU# DA-RHHL...
Tramex hole liners and caps are used with Tramex Hygro-i® relative humidity sensors. Used when performing ASTM F2170 in situ RH testing of concrete floors and slabs.

Starting at $30.00

Ships Direct From Manufacturer.
Tramex Hygro‑i® Electronic Interface Cable
Tramex SKU# DA-RHIE-EA
The Tramex Hygro-i Electronic Interface Cable connects the Hygro-i Probe to the CMEX II and MRH III non-destructive moisture meters.
SKU UnavailableNo Longer in Stock
Tramex Relative Humidity Probe, Gray Cable
Tramex SKU# DA-RHP-EA
The Tramex Relative Humidity Probe converts the CRH, MRH, and CMEX moisture meters to digital hygrometers.
$185.00
Ships Direct From Manufacturer.
Tramex Hygro‑i® Long Probe
Tramex SKU# DA-RHPLW-EA
The Tramex Hygro-i Long Probe measures 320 mm long (approximately 12.5 inches) and is designed for use in deep wall cavities, behind ceiling tiles, crawlspaces, and other difficult to reach areas. It works with the Tramex CMEX II and MRH III moisture meters.
$325.80
Ships Direct From Manufacturer.
Tramex RH Sleeves (100 PK)
Tramex SKU# DA-RHSK100-EA
These replacement RH hole liners, sleeves, and seals are designed for use with the Tramex Relative Humidity Probe.
SKU UnavailableNo Longer in Stock
Carbide‑Tipped Spiral  Masonry 3/4" Drill Bit
Protimeter SKU# OE-BLD34DR-EA
This replacement drill bit fits the MMS2 Floor Kit. It enables users to drill the correct hole size and depth for the humidity sleeves.
$44.16
Ships Direct From Manufacturer.
Hex L Key 5/32"
Protimeter SKU# OE-BLD34DRK-EA
This hex key fits the stop collar on the carbide-tipped spiral masonry 3/4" drill bit. The hex key keeps the stop collar in place and allows for drilling to the correct depth to fit humidity sleeves.
$8.64
Ships Direct From Manufacturer.
Adjustable Humidity Sleeves
Protimeter SKU# OE-BLD46501...
These patent-pending adjustable humidity sleeves adjust to accommodate 4" to 6" thick concrete slabs, so there's no need to cut the sleeves. They are designed to fit the Protimeter BLD4755-5 Mini Hygrostick.

Starting at $47.04

Ships Direct From Manufacturer.
Wire Cleaning Brush, 3/4"
Protimeter SKU# OE-BLD4653-EA
This wire brush is designed to be used with the drill bit provided in the MMS2 Flooring kit. This brush cleans out the drilled holes for proper placement of humidity sleeves. It is recommended that a properly filtered industrial grade vacuum is used in conjunction with this wire brush.
$17.28
Ships Direct From Manufacturer.
Protimeter Mini Hygrostick Probes (5 PK)
Protimeter SKU# OE-BLD47555-EA
These small probes are placed into the humidity sleeve that is inserted into the concrete slab and allow users to measure relative humidity (RH) and temperature to the exact standard.
$395.52
Ships Direct From Manufacturer.